Fixed all type issues that were flagged in the IDE

frontend/composables/useApi.ts

@@ -8,7 +8,7 @@ export const useApi = () => {
     }
 
     // Add tenant ID from localStorage or state
-    if (process.client) {
+    if (import.meta.client) {
       const tenantId = localStorage.getItem('tenantId')
       if (tenantId) {
         headers['x-tenant-id'] = tenantId